Home / 22,159.33-30,580.45-12,087.94

Finding the Fourth Proportional to 22,159.33, 30,580.45 and 12,087.94

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Solution

The fourth proportional to 22,159.33, 30,580.45 and 12,087.94 is: 16,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.33 : 30,580.45 = 12,087.94 : x
  2. Step 2: Convert to fraction form
    22,159.33/30,580.45 = 12,087.94/x
  3. Step 3: Cross multiply
    22,159.33x = 30,580.45 × 12,087.94
  4. Step 4: Simplify right side
    22,159.33x = 369,654,644.77
  5. Step 5: Solve for x
    x = 369,654,644.77/22,159.33
  6. Step 6: Final answer
    x = 16,681.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.